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    Expansion Vessels & Ancillaries

    Expansion vessels, also known as expansion tanks, can be found in most domestic pressurised heating systems. If you have a combi boiler, you will have an expansion vessel. This vessel contains air and water from the central heating system, and its purpose is to maintain the right level of pressure in the system.

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    Picture of 8L CORE Heating Expansion Vessel

    8L CORE Heating Expansion Vessel

    CHV8L
    CORE Heating Expansion Vessel 8 Litre. 6 bar Maximum Working Pressure. Working Temperature -10 - 70°C. WRAS approved.
    Stock Availability: Out of stock
    Picture of 12L CORE Heating Expansion Vessel

    12L CORE Heating Expansion Vessel

    CHV12L
    CORE Heating Expansion Vessel 12 Litre. 6 bar Maximum Working Pressure. Working Temperature -10 - 70°C. WRAS approved.
    Stock Availability: Out of stock
    Picture of 18L CORE Heating Expansion Vessel

    18L CORE Heating Expansion Vessel

    CHV18L
    CORE Heating Expansion Vessel 18 Litre. 6 bar Maximum Working Pressure. Working Temperature -10 - 70°C. WRAS approved.
    Stock Availability: Out of stock
    Picture of 25L CORE Heating Expansion Vessel

    25L CORE Heating Expansion Vessel

    CHV25L
    CORE Heating Expansion Vessel 25 Litre. 6 bar Maximum Working Pressure. Working Temperature -10 - 70°C. WRAS approved.
    Stock Availability: Out of stock
    Picture of 35L CORE Heating Expansion Vessel

    35L CORE Heating Expansion Vessel

    CHV35L
    CORE Heating Expansion Vessel 35 Litre. 6 bar Maximum Working Pressure. Working Temperature -10 - 70°C. (with legs) WRAS approved.
    Stock Availability: Out of stock
    Picture of 50L CORE Heating Expansion Vessel

    50L CORE Heating Expansion Vessel

    CHV50L
    CORE Heating Expansion Vessel 50 Litre. 6 bar Maximum Working Pressure. Working Temperature -10 - 70°C. (with legs) WRAS approved.
    Stock Availability: Out of stock
    Picture of 80L CORE Heating Expansion Vessel

    80L CORE Heating Expansion Vessel

    CHV80L
    CORE Heating Expansion Vessel 80 Litre. 6 bar Maximum Working Pressure. Working Temperature -10 - 70°C. (with legs) WRAS approved.
    Stock Availability: Out of stock
    Picture of 100L CORE Heating Expansion Vessel

    100L CORE Heating Expansion Vessel

    CHV100L
    CORE Heating Expansion Vessel 100 Litre. 6 bar Maximum Working Pressure. Working Temperature -10 - 70°C. (with legs) WRAS approved.
    Stock Availability: Out of stock
    Picture of 150L CORE Heating Expansion Vessel

    150L CORE Heating Expansion Vessel

    CHV150L
    CORE Heating Expansion Vessel 150 Litre. 6 bar Maximum Working Pressure. Working Temperature -10 - 70°C. (with legs) WRAS approved.
    Stock Availability: Out of stock
    Picture of 200L CORE Heating Expansion Vessel

    200L CORE Heating Expansion Vessel

    CHV200L
    CORE Heating Expansion Vessel 200 Litre. 6 bar Maximum Working Pressure. Working Temperature -10 - 70°C. (with legs) WRAS approved.
    Stock Availability: Out of stock
    Picture of 300L CORE Heating Expansion Vessel

    300L CORE Heating Expansion Vessel

    CHV300L
    CORE Heating Expansion Vessel 300 Litre. 6 bar Maximum Working Pressure. Working Temperature -10 - 70°C. (with legs) WRAS approved.
    Stock Availability: Out of stock
    Picture of 400L CORE Heating Expansion Vessel

    400L CORE Heating Expansion Vessel

    CHV400L
    CORE Heating Expansion Vessel 400 Litre. 6 bar Maximum Working Pressure. Working Temperature -10 - 70°C. (with legs) WRAS approved.
    Stock Availability: Out of stock
    Picture of 500L CORE Heating Expansion Vessel

    500L CORE Heating Expansion Vessel

    CHV500L
    CORE Heating Expansion Vessel 500 Litre. 6 bar Maximum Working Pressure. Working Temperature -10 - 70°C. (with legs) WRAS approved.
    Stock Availability: Out of stock
    Picture of 600L CORE Heating Expansion Vessel

    600L CORE Heating Expansion Vessel

    CHV600L
    CORE Heating Expansion Vessel 600 Litre. 6 bar Maximum Working Pressure. Working Temperature -10 - 70°C. (with legs) WRAS approved.
    Stock Availability: Out of stock
    Picture of 800L CORE Heating Expansion Vessel

    800L CORE Heating Expansion Vessel

    CHV800L
    CORE Heating Expansion Vessel 800 Litre. 6 bar Maximum Working Pressure. Working Temperature -10 - 70°C. (with legs) WRAS approved.
    Stock Availability: Out of stock
    Picture of 1000L CORE Heating Expansion Vessel

    1000L CORE Heating Expansion Vessel

    CHV1000L
    CORE Heating Expansion Vessel 1000 Litre. 6 bar Maximum Working Pressure. Working Temperature -10 - 70°C. (with legs) WRAS approved.
    Stock Availability: Out of stock
    Picture of 8L CORE Potable Expansion Vessel

    8L CORE Potable Expansion Vessel

    CPV8L
    CORE Potable Expansion Vessel 8 Litre. 10 bar Maximum Working Pressure. Working Temperature -10 - 100 °C. WRAS approved.
    Stock Availability: Out of stock
    Picture of 12L CORE Potable Expansion Vessel

    12L CORE Potable Expansion Vessel

    CPV12L
    CORE Potable Expansion Vessel 12 Litre. 10 bar Maximum Working Pressure. Working Temperature -10 - 100 °C. WRAS approved.
    Stock Availability: Out of stock
    Picture of 18L CORE Potable Expansion Vessel

    18L CORE Potable Expansion Vessel

    CPV18L
    CORE Potable Expansion Vessel 18 Litre. 10 bar Maximum Working Pressure. Working Temperature -10 - 100 °C. WRAS approved.
    Stock Availability: Out of stock
    Picture of 25L CORE Potable Expansion Vessel

    25L CORE Potable Expansion Vessel

    CPV25L
    CORE Potable Expansion Vessel 25 Litre. 10 bar Maximum Working Pressure. Working Temperature -10 - 100 °C. WRAS approved.
    Stock Availability: Out of stock
    Picture of 35L CORE Potable Expansion Vessel

    35L CORE Potable Expansion Vessel

    CPV35L
    CORE Potable Expansion Vessel 35 Litre. 10 bar Maximum Working Pressure. Working Temperature -10 - 100 °C. WRAS approved.
    Stock Availability: Out of stock
    Picture of 50L CORE Potable Expansion Vessel

    50L CORE Potable Expansion Vessel

    CPV50L
    CORE Potable Expansion Vessel 50 Litre. 10 bar Maximum Working Pressure. Working Temperature -10 - 100 °C. WRAS approved.
    Stock Availability: Out of stock
    Picture of 80L CORE Potable Expansion Vessel

    80L CORE Potable Expansion Vessel

    CPV80L
    CORE Potable Expansion Vessel 80 Litre. 10 bar Maximum Working Pressure. Working Temperature -10 - 100 °C. WRAS approved.
    Stock Availability: Out of stock
    Picture of 100L CORE Potable Expansion Vessel

    100L CORE Potable Expansion Vessel

    CPV100L
    CORE Potable Expansion Vessel 100 Litre. 10 bar Maximum Working Pressure. Working Temperature -10 - 100 °C. WRAS approved.
    Stock Availability: Out of stock
    Picture of 150L CORE Potable Expansion Vessel

    150L CORE Potable Expansion Vessel

    CPV150L
    CORE Potable Expansion Vessel 150 Litre. 10 bar Maximum Working Pressure. Working Temperature -10 - 100 °C. WRAS approved.
    Stock Availability: Out of stock